/*
 * Copyright (c) 2011 Junichiro Okuno
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of Junichiro Okuno.
 */

package tcp_net.management.commands;

import tcp_net.management.user_account.UserAccountManager;
import tcp_net.management.user_account.UserAccount;
import tcp_net.management.commands.debug.DebugInfo;
import java.util.List;

/**
	This class provides a defined command to be executed
	@author J. Okuno
*/
public class UserList extends UserCommand
{
	/**
		Init the class
		@param manager a user account manager
	*/
	public UserList(UserAccountManager manager) 
	{
		ua_manager = manager;
	}
	
	/**
		This method executes a defined command
		@return a list of reply messages in a string format
	*/
	public List<String> execute() 
	{ 	
		List<UserAccount> uacc = ua_manager.getUsers();
		
		if(uacc.size() == 0)
		{
			return createReply("No user listed."); 
		}
		
		
		String reply = "";
		int count = 0;
		
		//Display the users
		for(UserAccount acc : uacc)
		{ 
			count++;
			
			reply += "Username: " + acc.getUserName() + " Enabled: " + acc.isEnabled();
		 	if(count<uacc.size()) { reply += "\n"; }
		}
		
		return createReply(reply); 
	}
}